Apple AppleWorks 5 : Windows 95/NT 4.0 - Manual (Page 79)

Text (word processing) 4-15
Modifying and removing outline labels
To change the outline label for specific topics, select the topics and choose
the format you want from the
pop-up menu.
To remove an outline label (such as the Roman numeral in a line of a
Harvard-style outline), select one or more lines and choose None from the
pop-up menu.
Unlabeled line
Harvard labels Diamond labels
Harvard labels No labels